TraFuData Class Reference

Central storage and manipulation class for the transfer function. More...

#include <trafu_data.h>

List of all members.

Public Member Functions

TraFuData (const char *tfd_filename=0)

Constructor.

void Init ()

Initializes the transfer function to the standard values (black-transparent to white-opaque).

Mapping_point_t mapDensity (float density) const

Returns a Mapping_point Object containing color and opacity for a given density value.

void createDensityVectorPart (Mapping_point_vector_t &vec, int first_element, int number_of_elements, const Mapping_point_iterator_const_t &lower, const Mapping_point_iterator_const_t &upper) const

Create a partial density vector from lower to upper.

Mapping_point_vector_t createDensityVector (int number_of_elements) const

Returns an, evenly distributed, number of Mapping_point objects covering the whole transfer function.

void load_file (const char *tfd_filename)

Load a ".tf" file with the provided filename.

void save_file (const char *tfd_filename)

Save a ".tf" file with the provided filename.

void Sort ()

Sort the transfer function points (ordered by the density).

void Delete (Mapping_point_iterator_t &target)

Delete the provided point from the transfer function.

void Add (const Mapping_point_t &new_point)

Add the provided point to the transfer function.

Mapping_point_iterator_t begin ()

Return an iterator pointing to the first point of the transfer function.

Mapping_point_iterator_t end ()

Return an iterator pointing just past the last point of the transfer function.

Private Attributes

Mapping_point_list_t m_mapping_points

List holding all points of the transfer function.

Detailed Description

Central storage and manipulation class for the transfer function.

Definition at line 23 of file trafu_data.h.

Constructor & Destructor Documentation

TraFuData::TraFuData ( const char * tfd_filename = 0 )

Constructor.

Definition at line 8 of file trafu_data.cpp.

References Init(), and load_file().

Member Function Documentation

void TraFuData::Init ( )

Initializes the transfer function to the standard values (black-transparent to white-opaque).

Definition at line 19 of file trafu_data.cpp.

References m_mapping_points, TFP_END, and TFP_START.

Referenced by TraFuDialog::OnTFReset(), and TraFuData().

Mapping_point_t TraFuData::mapDensity ( float density ) const

Returns a Mapping_point Object containing color and opacity for a given density value.

Definition at line 26 of file trafu_data.cpp.

References Mapping_data::m_density, and m_mapping_points.

void TraFuData::createDensityVectorPart	(	Mapping_point_vector_t &	vec,
		int	first_element,
		int	number_of_elements,
		const Mapping_point_iterator_const_t &	lower,
		const Mapping_point_iterator_const_t &	upper
	)			const

Create a partial density vector from lower to upper.

Definition at line 87 of file trafu_data.cpp.

References tfRGB::blue, tfRGB::green, Mapping_data::m_colour, Mapping_data::m_density, Mapping_data::m_opacity, and tfRGB::red.

Referenced by createDensityVector().

Mapping_point_vector_t TraFuData::createDensityVector ( int number_of_elements ) const

Returns an, evenly distributed, number of Mapping_point objects covering the whole transfer function.

Definition at line 107 of file trafu_data.cpp.

References createDensityVectorPart(), and m_mapping_points.

Referenced by TransferFunctionCtrlCanvas::DrawRange().

void TraFuData::load_file ( const char * tfd_filename )

Load a ".tf" file with the provided filename.

Definition at line 136 of file trafu_data.cpp.

References m_mapping_points.

Referenced by TraFuDialog::OnLoadTF(), and TraFuData().

void TraFuData::save_file ( const char * tfd_filename )

Save a ".tf" file with the provided filename.

Definition at line 163 of file trafu_data.cpp.

References m_mapping_points.

Referenced by TraFuDialog::OnSaveTF().

void TraFuData::Sort ( ) [inline]

Sort the transfer function points (ordered by the density).

Definition at line 49 of file trafu_data.h.

References m_mapping_points.

Referenced by Add(), TransferFunctionCtrlCanvas::AddNewPoint(), Delete(), and TransferFunctionCtrlCanvas::OnPaint().

void TraFuData::Delete ( Mapping_point_iterator_t & target ) [inline]

Delete the provided point from the transfer function.

Definition at line 51 of file trafu_data.h.

References m_mapping_points, and Sort().

Referenced by TransferFunctionCtrlCanvas::DeletePoint().

void TraFuData::Add ( const Mapping_point_t & new_point ) [inline]

Add the provided point to the transfer function.

Definition at line 53 of file trafu_data.h.

References m_mapping_points, and Sort().

Referenced by TransferFunctionCtrlCanvas::AddNewPoint().

Mapping_point_iterator_t TraFuData::begin ( ) [inline]

Return an iterator pointing to the first point of the transfer function.

Definition at line 56 of file trafu_data.h.

References m_mapping_points.

Referenced by TransferFunctionCtrlCanvas::DrawPoints(), TransferFunctionCtrlCanvas::GetHitPoint(), and TransferFunctionCtrlCanvas::OnPaint().

Mapping_point_iterator_t TraFuData::end ( ) [inline]

Return an iterator pointing just past the last point of the transfer function.

Definition at line 58 of file trafu_data.h.

References m_mapping_points.

Referenced by TransferFunctionCtrlCanvas::DrawPoints(), TransferFunctionCtrlCanvas::GetHitPoint(), TransferFunctionCtrlCanvas::OnMouseEvent(), TransferFunctionCtrlCanvas::OnPaint(), TransferFunctionCtrlCanvas::SetMoving(), and TransferFunctionCtrlCanvas::SetTraFuDataPointer().

Member Data Documentation

Mapping_point_list_t TraFuData::m_mapping_points [private]

List holding all points of the transfer function.

Definition at line 62 of file trafu_data.h.

Referenced by Add(), begin(), createDensityVector(), Delete(), end(), Init(), load_file(), mapDensity(), save_file(), and Sort().

The documentation for this class was generated from the following files:


Public Member Functions
	TraFuData (const char *tfd_filename=0)
	Constructor.
void	Init ()
	Initializes the transfer function to the standard values (black-transparent to white-opaque).
Mapping_point_t	mapDensity (float density) const
	Returns a Mapping_point Object containing color and opacity for a given density value.
void	createDensityVectorPart (Mapping_point_vector_t &vec, int first_element, int number_of_elements, const Mapping_point_iterator_const_t &lower, const Mapping_point_iterator_const_t &upper) const
	Create a partial density vector from lower to upper.
Mapping_point_vector_t	createDensityVector (int number_of_elements) const
	Returns an, evenly distributed, number of Mapping_point objects covering the whole transfer function.
void	load_file (const char *tfd_filename)
	Load a ".tf" file with the provided filename.
void	save_file (const char *tfd_filename)
	Save a ".tf" file with the provided filename.
void	Sort ()
	Sort the transfer function points (ordered by the density).
void	Delete (Mapping_point_iterator_t &target)
	Delete the provided point from the transfer function.
void	Add (const Mapping_point_t &new_point)
	Add the provided point to the transfer function.
Mapping_point_iterator_t	begin ()
	Return an iterator pointing to the first point of the transfer function.
Mapping_point_iterator_t	end ()
	Return an iterator pointing just past the last point of the transfer function.
Private Attributes
Mapping_point_list_t	m_mapping_points
	List holding all points of the transfer function.